A player obstructs the ball if he , or anything he wears or carries , touches it in play when it is above or travelling towards the playing surface , not having touched his court since last being struck by his opponent 对方击球朝向台面方向或台面上方,在球尚未触及本方球台区且未越过本方端线前,触及球员或其任何穿带物时,称为“阻挡” 。